#include <iostream>
#include <cstdlib>
using namespace std;

int main(int argc, char **argv)
{
	if (const int r = rand()) {   //initialize and test
		cout << "The first random number was " << r << ".\n";
	} else {
		cout << "The first random number was zero (" << r << ").\n";
	}

	return EXIT_SUCCESS;          //r no longer exists at this point
}